1022323020 has 24 divisors (see below), whose sum is σ = 2862504624. Its totient is φ = 272619456.

The previous prime is 1022323019. The next prime is 1022323073. The reversal of 1022323020 is 203232201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8519299 + ... + 8519418.

It is an arithmetic number, because the mean of its divisors is an integer number (119271026).

Almost surely, 2^1022323020 is an apocalyptic number.

1022323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022323020 is an abundant number, since it is smaller than the sum of its proper divisors (1840181604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022323020 is a wasteful number, since it uses less digits than its factorization.

1022323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17038729 (or 17038727 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1022323020 is about 31973.7864507787. The cubic root of 1022323020 is about 1007.3863146952.

Adding to 1022323020 its reverse (203232201), we get a palindrome (1225555221).

The spelling of 1022323020 in words is "one billion, twenty-two million, three hundred twenty-three thousand, twenty".